package com.heima.user.service.impl;

import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
import com.heima.model.common.dtos.ResponseResult;
import com.heima.model.common.enums.AppHttpCodeEnum;
import com.heima.model.user.dtos.LoginDto;
import com.heima.model.user.pojos.ApUser;
import com.heima.user.mapper.ApUserMapper;
import com.heima.user.service.ApUserService;
import com.heima.utils.common.AppJwtUtil;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
import org.springframework.util.DigestUtils;
import org.springframework.util.StringUtils;

import java.util.HashMap;
import java.util.Map;

@Service
public class ApUserServiceImpl extends ServiceImpl<ApUserMapper, ApUser> implements ApUserService {

    /**
     * app端登录
     * @param dto
     * @return
     */
    @Autowired
    private ApUserMapper mapper;
    public ResponseResult login(LoginDto dto) {
        //1.正常登录（手机号+密码登录）
        if (!StringUtils.isEmpty(dto.getPassword()) || !StringUtils.isEmpty(dto.getPhone())){
            //1.1查询用户
            LambdaQueryWrapper<ApUser> lqw = new LambdaQueryWrapper<>();
            lqw.eq(dto.getPhone()!=null,ApUser::getPhone,dto.getPhone());
            ApUser apUser = mapper.selectOne(lqw);
            if (apUser == null){
                return ResponseResult.errorResult(AppHttpCodeEnum.DATA_NOT_EXIST,"用户不存在");
            }
            //1.2 比对密码
            String salt = apUser.getSalt();
            String password = dto.getPassword();
            password = DigestUtils.md5DigestAsHex((password+salt).getBytes());
            if (!password.equals(apUser.getPassword())){
                return ResponseResult.errorResult(AppHttpCodeEnum.LOGIN_PASSWORD_ERROR);
            }
            //1.3 返回数据  jwt
            Map<String,Object> map = new HashMap<>();
            map.put("token", AppJwtUtil.getToken(apUser.getId().longValue()));
            apUser.setPassword("");
            apUser.setSalt("");
            map.put("user",apUser);
            return ResponseResult.okResult(map);
            //2.游客  同样返回token  id = 0
        }else {
            Map<String,Object> map = new HashMap<>();
            map.put("token",AppJwtUtil.getToken(0L));
            return ResponseResult.okResult(map);
        }
    }
}
